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Physical & Chemical properties

Dissociation constant

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Description of key information

The log K = 20.56 at 2.0 x 10-8 Pa (2 kb), 25ºC with a generally accepted pKa of approximately -9.

Key value for chemical safety assessment

pKa at 20°C:
-9

Additional information

Chou, I.-M., and Eugster, H.P. (1976) report an experimental value of log K = 20.56 at 2.0 x 10-8 Pa (2 kb), 25 ºC with a generally accepted pKa of approximately -9.